50556501655116 has 72 divisors (see below), whose sum is σ = 124517936556720. Its totient is φ = 15962992665984.

The previous prime is 50556501655063. The next prime is 50556501655129. The reversal of 50556501655116 is 61155610565505.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30508830 + ... + 32123226.

It is an arithmetic number, because the mean of its divisors is an integer number (1729415785510).

Almost surely, 2^{50556501655116} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50556501655116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62258968278360).

50556501655116 is an abundant number, since it is smaller than the sum of its proper divisors (73961434901604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50556501655116 is a wasteful number, since it uses less digits than its factorization.

50556501655116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621671 (or 1621650 counting only the distinct ones).

The product of its (nonzero) digits is 3375000, while the sum is 51.

The spelling of 50556501655116 in words is "fifty trillion, five hundred fifty-six billion, five hundred one million, six hundred fifty-five thousand, one hundred sixteen".